74818840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{64499}}^1$

素因数の和:64539

約数の個数: 32

約数和(自身を含む): 174150000

約数和(自身を除く): 99331160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 64499, 128998, 257996, 322495, 515992, 644990, 1289980, 1870471, 2579960, 3740942, 7481884, 9352355, 14963768, 18704710, 37409420, 74818840]

約数ペア:

[(1, 74818840), (2, 37409420), (4, 18704710), (5, 14963768), (8, 9352355), (10, 7481884), (20, 3740942), (29, 2579960), (40, 1870471), (58, 1289980), (116, 644990), (145, 515992), (232, 322495), (290, 257996), (580, 128998), (1160, 64499)]